<?phprequire_once "BaseModel.php";class User extends BaseModel {        private $uid;    private $userName;    private $mobileNumber;    public function getUserName() {        return $this->userName;    }    public function setUserName($userName) {        $this->userName = $userName;    }    public function getMobileNumber() {        return $this->mobileNumber;    }    public function setMobileNumber($mobileNumber) {        $this->mobileNumber = $mobileNumber;    }    public function getUid() {        return $this->uid;    }    public function setUid($uid) {        $this->uid = $uid;    }    public function __toString() {        $toString = __CLASS__        ."("        ."id:".$this->getId().", "        ."uid:\"".$this->getUid()."\""        .")";        return $toString;    }        }?>